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B2X-21
QUICK GUIDE
This Quick Guide shows the basic operation of the WATERAX B2X-21 2-stage mid-range pump.
• The WATERAX B2X-21 pairs a WATERAX 4-stage pump end with a Honda GX630 gasoline engine. For
instructions regarding the engine, as well as for oil and fuel recommendations, please refer to the engine
manufacturer's manual.
• For detailed instructions on using and troubleshooting your pump, as well as full service and maintenance
instructions, refer to our website to download the B2X Owner's Manual.
• For full specifications and performance curves, see the B2X-21 Data Sheet.
Warnings and Safety Precautions
This warning label appears on all WATERAX pumps to identify safety
hazards as follows:
READ YOUR ENGINE MANUAL!
Before proceeding further, locate and read the engine
manufacturer's manual. It contains very important safety
information that MUST be read, understood and followed to
safeguard you and your equipment from harm, as well as for
the proper use and care of your engine. Use only fuel and
oil type recommended in the engine manufacturer's manual.
Always check oil level in crankcase before use.
WEAR EAR AND EYE PROTECTION.
Always wear eye and ear protection when operating the
pump unit. Sound level of the unit: 92 dB(A).
GENERAL WARNINGS:
Do not operate if mentally or physically fatigued.
Inspect hoses and piping to avoid burst injuries.
No modifications and/or alterations may be made to the
pump. Any such modifications void the pump warranty
and can endanger pump operators.
Do not operate the pump above the maximum rated
pressure. Use only pipe, hose, and fittings rated at or
above the maximum pressure rating of the pump or
system design.
Slowly close valves. Use slow close valves wherever
possible to safeguard operators and prevent damage
from water hammer.
Dry weight of the unit: 169 lbs (will vary depending on
options).

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Summary of Contents for Waterax B2X

  • Page 1 This Quick Guide shows the basic operation of the WATERAX B2X-21 2-stage mid-range pump. • The WATERAX B2X-21 pairs a WATERAX 4-stage pump end with a Honda GX630 gasoline engine. For instructions regarding the engine, as well as for oil and fuel recommendations, please refer to the engine manufacturer’s manual.
  • Page 2: Parts Identification

    The improper use of this pump could result in serious injuries explode. Refuel in a well-ventilated area, with the as well as damage to the unit. Read the B2X Owner’s engine stopped. Manual before using your B2X pump unit and follow the safety instructions in this Quick Guide.
  • Page 3 Note that most electric primer motors are intended to be used only a short duration (about 20 seconds). If pump fails to prime, see the B2X Owner’s Manual for troubleshooting tips. Close the priming valve after priming. Failure to close the priming valve could cause the pump to lose prime or...
  • Page 4 QUICK GUIDE 5. Start the engine. a. Close/engage choke, if engine is cold. b. Increase throttle past the idle position. Position the ignition switch to the ON position. d. Turn the engine switch to START position until the engine starts. DO NOT hold for more than 5 seconds. e.
  • Page 5: Warranty Service And Support

    Warranty, Service and Support Product and service documentation such as tech notes, data sheets, manuals and information on the limited warranty provided on products manufactured by WATERAX can be found on our Web site at: www.waterax.com...
  • Page 6 All information contained in this document including drawings is proprietary to WATERAX and may not be copied, reproduced or used in whole or in part without our prior written permission. The information in this document is subject to change without notice. Model displayed with multiple options.

This manual is also suitable for:

B2xmcB2x-21